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(No Model.) 2 Sheets-Sheet 1.'

H. L. CARTER 8v T. H. SAVERY.

PAPER MAKING MAGHINE.

Patented Feb. 5, 1889.

I an 5 F 1 7 .l

wn-fin .1. 7 I M ir- 9 v 3 w MEN m (No Model.) 2 Shets -Sh eet'2.

H. L. CARTER T. H. SAVERY.

PAPER. MAKING MACHINE.

No. 397,275. Patented Feb. 5, 1889. I

v I l l I l WWW HENRY l). CAR IER, OF PIITLADELPHIA, PENNSYLX'ANIA, ANDTHOMAS ll'. SAVERY, OF 'WILMINGTON, DELA\VARE.

PAPER-MAKING MACHIN E.

SPECIFICATION forming part of Letters Patent No. 397,275, dated February5, 1889.

Application filed June 4, 1883. $erial No. 275,952. (No model.)

Delaware, have invented a new and useful' Improvement in Paper-MakingMachines, of

.which the following isa true and exact description, reference being hadto the accompanying drawings, which form a part of this specification.

Our invention relates to that partot' the paper-making machinery knownas the dryingcylinders, and has for its object to facilitate thetransfer of the web of paper from the press-rolls to thedrying-cylinders by, in the first place, making it possible to adjustthe web in proper position easily and accurately; in the second placediminishing the strain on the web between the press and drying-cylindersproper, because the points of support are not so far apart, and,thirdly, delivering the web to said cylinders in a slightly dryer andstronger condition than has heretofore been the case. The usual strainthrown upon the web of paper where points of support are far apart robsit of a part of its elasticity and strength before it has reached thefirst drier and disqualifies it in a great measure to resist the strainsthat it must necessarily endure in. its passage over thedrying-cylinders.

Our invention is hereinafter clearly defined in the claims. Generallyspeaking, its leading feature is a guide-cylinder journaled in boxesdirectly or indirectly secured to the frame of the drying-cylinders,said guide-cylinder being used in place of the ordinary smallloosely-journaled guide-roll, over which the web passes on its way fromthe press-rolls to the drying-cylinders, and being of comparativelylarge diameter, (say from twenty inches to thirty-six inches,) incombination with driving mechanism. connected with the gears which drivethe drying-cylinders, so as to impart to said guide-cylinder the sameperipheral velocity as that of the drying-cylinders. Preferably wesecure this guide-cylinder on supporting-arms pivoted to the frame ofthe drying-cylinders and provided with adjusting mechanism whereby theposition of the cylinder with respect to the guide-rolls can be changedat will, and we consider it also advisable to make the guide-cylinderhollow and provide it with a steam-connection for heating it, so as topartially dry the web passing over it.

Reference being now had to the drawings, which illustrate our inventionin its preferred and most complete form, Figure 1 is a side view orelevation showing the connection of our improved guide-cylinder with thedryingcylinders and the press-rolls. Fig. 2 is a sec tion on the line.1: a; of Fig. 1; and Fig. 3, a front view showing the guide-eylimler insection, and also its immediate supports and adjusting device.

A A indicate the press-rolls, which, with their supports, &c., may be ofany desired construction, and need not be particularly described.

The dotted line I ll, &c., indicates the course of the web of paperthrough this part of the machine. 0 U "are drying-cylinders; D I) Dgearing for actuating the cylinders. E the frame supporting them. F Findicates the felt used in connection with these cylinders. All theseparts are of the usual construction, and need not be further referredto.

G (4 are standards secured to the frame E and to which. are attached theournal-boxes H H of the guide -e vlinder I. As shown in the drawings,the standards (l are secured at ihei r lower ends to frame E by means ofpivotpins g, and further attached to the frame by means ofadjusting-screws J. A convenient way of making this attaclnnent is shownin detail in Fig. 2, in which K imlicates a pivoted journal for the adjustin g-serew J, on which collars L liare formed to soon re it againstlateral. movement in. the journal K.

L indica es a threaded nut, secured by means of a pivot-pin to frame E,and through which passes the threaded end J of screw J.

J 2 is a worm-wheel on end of screw J, and M a connecting-shaft havingworms m at each end to engage the worm-wheels J and a squared end, 772,by which it can be turned and the mljusting-screws J simultaneouslyactuated to move standards G and the small cylinder l, which theysupport out or in.

(I, d, d, d, and (1" indicate a train of gears connecting the gear-train.l) l), &c., with the guide-cylinder 1, arranged, as shown, with wheel(1 journaled on the same center as piv' ots y, and. with gears (F, d,and d 'journaled on the standard. It is obvious that they will not beaffected by the movement of the guideroll. The guide-roll. I, as we havealready stated, should be from twenty to thirty-six inches in dian1eter,and we recommend a diameter of twenty-eight inches as adapted to giveexcellent results. \Ve prefer to make the cylinder hollow, as shown inFig. 3, and to provide it with ahollow journal, I, through which it canbe heat ed, as are the drying-cylinders.

The operation of our improved machine is clear from the abovedescription, and does not differ from that of the ordinary machineexcept in that the guide-cylinder I, being positively rotated, acts todraw the web along instead of being rotated by the web, as was theguide-roll whose place it takes. The adjustability of the guide-cylinderenables the web to be engaged at the most advantageous pointanddelivered to the dryirig-cylinders at any desired angle, and of coursethe heating of the guidecylinder will to some extent dry and strengthenthe web passing over it.

One great ad van tage which we gain by using the large andpositively-rotated guide-cylinder is that the machilie-attendant canwith our device adjust the end of a new web between the press-rolls andthe dryingcylinders with much greater rapidity and preeisiomthe broadsurface and comparatively slow motion of the cylinder enabling him tostraighten and correctly align the web much betterthan he could on theold light and small roll. He can also pass the paper from thepress-rolls to the driers under proper tension, and thus avoid itsln'eaking. It is a well-known fact that the best efforts of themachiue-tender are often concentrated at the driers, ent'lez'ivoring topass the paper over them afterithasbroken, when his attention isinuieratiy'ely demanded at some other part of the machine.

l pon machines as usually cmlstrueted the paper is not delivered todriers under proper more places, in order to take up the slack. on thedriers. "Whenever there is a fold or a double there is a wet spot, andconsequently a weak spot, which is sure to part and break at some pointin its passage over the driers. Every break is aserious matter, as itoccasions much loss of valuable time and material, and renders theclothing and machinery liable to serious injury. All these defects inthe usual type of machine are corrected by the use of our device.

Having now described our invention, what we claim as new, and desire tosecure by Letters Patent, is-

1. In a paperqnaking machine, the combination, with the drying-rolls andthe frame supporting said rolls, of a guide-cylindersupported on thefront of said frame, and drivinggear connecting said guide-cylinder withthe,

mechanism actuatil'ig the drying-rolls, so as to rotate it with the sameperipheral velocity, all substantially as and for the purpose specitied.

2. In a paper-making machine, the combination, with the drying-rolls andthe frame supporting said rolls, of an adjustable guidecylinder, saidcylinder being supported on movable bearings connected with the front ofthe frame'of the dlying-cylinders, and driving-gear connecting saidguide-cylinder with the mechanism actuating the drying-rolls, so as torotate it with the same peripheral velocity, all substantially as andfor the purpose specified.

3. In a paper-imiking machine, the combination, with the drying-rollsand the frame supporting said rolls, of an internally-heatedguide-eylimler supported on the front of said frame, and driving-gearconnecting said guide-cylinder with the mechanism actuating thedrying-rolls, so as to rotate it with the tension, and in order tocorrect this the web is necessarily doubled or folded in one or;

same peripheral velocity, all substantially as and for the purposespecified.

H. L. CARTER. THOS. H; SAVE'RY.

Witnesses to signature of H. L. (arterz SAMUEL MAsoN, J'. 0. SMITH, WM.'1. \VILMANs, \VM. TI. llOOl-ES.

Witnesses to signature of '1. ll. Savety:

WM. '1. WILMANs, JOSHUA hlA'lLACK, Jr.

